roughness coefficient
粗糙系数
常用释义
英式发音
美式发音
基本释义
- 粗糙系数；糙度系数
例句
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1·That is, the roughness coefficient decreased with the increase of Reynolds on steep slope.在坡度较大时，阻力系数随雷诺数的增大而增大。
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2·The results show that the Manning roughness coefficient increases with increasing water depth.试验结果表明，曼宁粗糙系数随水深深度的增加而增加。
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3·The wetted perimeter of this section is 83.7% of the rectangle in the same discharge, reach slope, roughness coefficient.在同样水力条件下，最优园底直角断面的湿周是矩形最优断面的83.7%。
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4·The experiment results show that the threshold velocity is affected by the ratio of roughness coefficient of ice cover and bed.试验表明：冰盖下泥沙起动流速与冰盖及槽底糙率的相对比值有关。
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5·The roughness coefficient increases when the relative roughness of the surface becomes larger under the same condition of discharge.对于不同粗糙程度的壁面，在同一流量条件下的糙率系数会随着相对粗糙度的增大而增大。
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6·With combining optimization method, an optimal model of determining synthetic surface roughness coefficient in film hole irrigation was developed.实例计算与方法验证表明，该方法能够简单而有效地确定膜孔灌溉田面综合糙率系数。
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7·A simpler fractal model to estimate the joint roughness coefficient (JRC) is suggested. It can be applied to simulate rock discontinuity profiles.提出了一种更为简单的估算岩石断裂面粗糙度(jrc)值的分形模型，可用来模拟岩石断裂面剖面线。
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8·Border irrigation current advancement process model plays an important role to determine irrigation technical index, average field infiltration rate and roughness coefficient.畦灌水流推进过程计算模型对确定灌水技术要素、田间平均入渗率和糙率有十分重要的作用。
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9·It is also found that, when the water depth is fixed, the Manning roughness coefficient increases as the longitudinal pier spacing increases up to approximately the pier width.值得一提的是，当水深维持不变时，曼宁粗糙系数也会持续增加直至纵向基桩间距与其宽度相同为止。
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10·We also find the obvious effectiveness of Gabion revetment. Analyzing actual measurement data, find out the roughness coefficient of Gabion revetment, to provide suggestion for revetment design.试验发现格宾护岸对减小波浪爬高具有明显的作用，通过实测和统计分析得出了格宾材料的糙渗系数，为护岸设计提供参考。